Ko Sire, Thailand: What to pack, what to wear, and when to go [2024]

Empty Lighthouse is a reader-supported site. This article may contain affiliate links to Amazon and other sites. We earn a commission on purchases made through these links.

Ready to pack for Ko Sire, Thailand? If you're planning to go to Ko Sire, we've got some important information about when to go, what to wear, and what to pack.

Contents

When to go to Ko Sire, Thailand

Based on the climate and weather in Ko Sire, Thailand, the best time to go is February. See below for details.

What to wear/what to pack for Ko Sire, Thailand

Already know when you're traveling?

Here are some general tips on what to wear in Ko Sire, as well as several items to remember to pack when traveling there.

What to wear/what to pack for Ko Sire, Thailand by month

January

January in Ko Sire can be very hot. The rain can amount to several inches/centimeters. During this time, temperatures average in the low 80s F (high 20s C) to low 90s F (low 30s C).

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security

    Given current world events, Thailand has travel concerns that you should consider before going. Click for more information.

  • Voice and data SIM card

    A SIM card that works in Ko Sire. A good global SIM card works in most countries, but check the country list before buying. In some more rural areas you may need a satellite phone. We recommend this satellite phone.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

  • AirTag to track your luggage

    With airlines repeatedly losing things nowadays, an AirTag can help you find it anywhere on earth: AirTag for iPhones.

  • Anti-theft backpack

    For a bit of protection, an anti-theft backpack protects your stuff.

Comfort + Essentials

  • Travel neck pillow

    A great choice is this one

  • Power bank for devices

    A portable power bank, like this one

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Voltage adapter

    A plug adapter that supports outlet types A, B, C and O. Check that you get the necessary type. Many adapters for sale now are just plug changers and expect your electronics to convert the voltage themselves. If yours can't do that they could get destroyed. This one works in most areas.

  • Luggage scale to avoid fees

    Airlines charge excessive penalties for overweight luggage. Avoid penalties with this

February

If you are traveling to Ko Sire in February, you will notice that it is scorchingly hot. Expect it to rain once in a while. Daytime temperatures are in the low 90s F (mid 30s C).

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security

    Given current world events, Thailand has travel concerns that you should consider before going. Click for more information.

  • AirTag to track your luggage

    With airports constantly losing bags nowadays, an AirTag can find it anywhere on earth: AirTag for iPhones.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

  • Anti-theft backpack

    For a little peace of mind, an anti-theft backpack protects your things.

  • Voice and data SIM card

    A SIM card that works in Ko Sire. A good global SIM card works in most countries, but check the country list before buying. In some more rural areas you may need a satellite phone. We recommend this satellite phone.

Comfort + Essentials

  • Travel neck support pillow

    A good option is this one

  • Power bank for devices

    A portable power bank, like this one

  • Travel voltage adapter

    A plug adapter that supports outlet types A, B, C and O. It's important that you pick the correct type. The majority of adapters for sale now are just plugs and require your electronics to change the voltage themselves. If yours can't do that they could get destroyed. This one is sufficent for most locations.

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Luggage scale to avoid fees

    Airlines charge huge penalties for overweight luggage. Avoid penalties with this

March

If you visit Ko Sire during March, you may see that it is a scorcher. Temperatures tend to hover around the low 90s F (mid 30s C) during the day, while at night they can dip into the low 70s F (low 20s C). Humidity is generally between 50 and 60% during the day. In terms of precipitation, you can expect it to rain a bit less than half of the time.

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security

    Given current world events, Thailand has travel concerns that you should consider before going. Click for more information.

  • Voice and data SIM card

    A SIM card that works in Ko Sire. A good global SIM card works in most countries, but check the country list before buying. In some more rural areas you may need a satellite phone. We recommend this satellite phone.

  • AirTag to track your luggage

    With airlines constantly losing bags nowadays, an AirTag can find it anywhere on earth: AirTag for iPhones.

  • Anti-theft backpack

    For a little peace of mind, an anti-theft backpack protects your stuff.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

Comfort + Essentials

  • Voltage adapter

    A plug adapter that supports outlet types A, B, C and O. Take care to choose the necessary kind. Most adapters currently sold are just plugs and require your electronics to convert the voltage themselves. If yours can't do that they could burn up. This one should be sufficient for most countries.

  • Travel neck support pillow

    Our fave is this one

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Luggage scale to avoid fees

    Airlines charge huge amounts for overweight luggage. Avoid penalties with this

  • Power bank for devices

    A portable power bank, like this one

April

If you visit Ko Sire during April, you might find that it is sweltering and somewhat stormy. Temperatures tend to hover around the low 90s F (mid 30s C) during the day, while at night they can dip into the 70s F (mid 20s C). Humidity is generally between 60 and 70% during the day. In terms of precipitation, you can expect it to rain 5-10 days this month.

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security

    Given current world events, Thailand has travel concerns that you should consider before going. Click for more information.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

  • AirTag to track your luggage

    With airlines always losing things nowadays, an AirTag can locate it anywhere anywhere: AirTag for iPhones.

  • Anti-theft backpack

    For a little peace of mind, an anti-theft backpack protects your things.

  • Voice and data SIM card

    A SIM card that works in Ko Sire. A good global SIM card works in most countries, but check the country list before buying. In some more rural areas you may need a satellite phone. We recommend this satellite phone.

Comfort + Essentials

  • Travel voltage adapter

    A plug adapter that supports outlet types A, B, C and O. Ensure that you find the right type. Many adapters available online are just plug changers and require your electronics to change the voltage themselves. If your devices can't do that they could burn up. This one should work in most places.

  • Luggage scale to avoid fees

    Airlines charge huge prices for overweight luggage. Save money with this

  • Travel neck support pillow

    A versatile choice is this one

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Power bank for devices

    A portable power bank, like this one

May

If you vacation in Ko Sire during May, you will probably notice that it is consistently hot and somewhat stormy. Temperatures tend to hover around the low 80s F (low 30s C) during the day, while at night they can dip into the 70s F (mid 20s C). Humidity is generally between 70 and 80% during the day. In terms of precipitation, you can expect it to rain about half of the time.

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security

    Given current world events, Thailand has travel concerns that you should consider before going. Click for more information.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

  • AirTag to track your luggage

    With airlines repeatedly losing things these days, an AirTag can help you find it anywhere anywhere: AirTag for iPhones.

  • Anti-theft backpack

    For a little peace of mind, an anti-theft backpack protects your things.

  • Voice and data SIM card

    A SIM card that works in Ko Sire. A good global SIM card works in most countries, but check the country list before buying. In some more rural areas you may need a satellite phone. We recommend this satellite phone.

Comfort + Essentials

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Power bank for devices

    A portable power bank, like this one

  • Voltage step down adapter

    A plug adapter that supports outlet types A, B, C and O. Be careful to find the necessary kind. Many adapters available are just plugs and require your electronics to change the voltage themselves. If your electronics can't do that they could get destroyed. This one should be appropriate for most areas.

  • Luggage scale to avoid fees

    Airlines charge excessive amounts for overweight luggage. Save money with this

  • Travel neck pillow

    Our fave is this one

June

If you are traveling to Ko Sire in June, you will notice that it is extremely hot. Expect it to rain about half of the time. Daytime temperatures are in the low 80s F (low 30s C).

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security

    Given current world events, Thailand has travel concerns that you should consider before going. Click for more information.

  • Anti-theft backpack

    For a little peace of mind, an anti-theft backpack protects your stuff.

  • AirTag to track your luggage

    With airports repeatedly losing things recently, an AirTag can help you locate it anywhere in the world: AirTag for iPhones.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

  • Voice and data SIM card

    A SIM card that works in Ko Sire. A good global SIM card works in most countries, but check the country list before buying. In some more rural areas you may need a satellite phone. We recommend this satellite phone.

Comfort + Essentials

  • Travel neck pillow

    Our fave is this one

  • Luggage scale to avoid fees

    Airlines charge huge prices for overweight luggage. Avoid penalties with this

  • Travel adapter

    A plug adapter that supports outlet types A, B, C and O. Make sure to choose the correct kind. Most adapters on sale are just plugs and require your devices to convert the voltage themselves. If your devices can't do that they could get fried. This one works in most countries.

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Power bank for devices

    A portable power bank, like this one

July

July for Ko Sire is extremely hot. Temperatures average in the high 80s F (low 30s C) during the day. It rains about two thirds of the time.

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security

    Given current world events, Thailand has travel concerns that you should consider before going. Click for more information.

  • Voice and data SIM card

    A SIM card that works in Ko Sire. A good global SIM card works in most countries, but check the country list before buying. In some more rural areas you may need a satellite phone. We recommend this satellite phone.

  • AirTag to track your luggage

    With airlines frequently losing bags recently, an AirTag can find it anywhere on earth: AirTag for iPhones.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

  • Anti-theft backpack

    For a little peace of mind, an anti-theft backpack protects your things.

Comfort + Essentials

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Voltage step down adapter

    A plug adapter that supports outlet types A, B, C and O. Make sure to pick the necessary type. The vast majority of adapters available online are just plugs and expect your devices to adjust the voltage themselves. If yours can't do that they could get destroyed. This one should work in most areas.

  • Power bank for devices

    A portable power bank, like this one

  • Luggage scale to avoid fees

    Airlines charge excessive prices for overweight luggage. Avoid surcharges with this

  • Travel pillow

    A great choice is this one

August

Traveling to Ko Sire in August, you will notice that it can be sweltering. Expect it to rain about two thirds of the time. Daytime temperatures are in the high 80s F (low 30s C).

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security

    Given current world events, Thailand has travel concerns that you should consider before going. Click for more information.

  • Anti-theft backpack

    For a bit of peace of mind, an anti-theft backpack protects your belongings.

  • AirTag to track your luggage

    With airports constantly losing luggage these days, an AirTag can help you find it anywhere anywhere: AirTag for iPhones.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

  • Voice and data SIM card

    A SIM card that works in Ko Sire. A good global SIM card works in most countries, but check the country list before buying. In some more rural areas you may need a satellite phone. We recommend this satellite phone.

Comfort + Essentials

  • Power bank for devices

    A portable power bank, like this one

  • Luggage scale to avoid fees

    Airlines charge excessive prices for overweight luggage. Save money with this

  • Voltage adapter

    A plug adapter that supports outlet types A, B, C and O. Ensure that you choose the necessary kind. A lot of adapters currently sold are just plug changers and expect your devices to change the voltage themselves. If your devices can't do that they could get fried. This one should be sufficient for most locations.

  • Travel neck support pillow

    A great choice is this one

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

September

September in Ko Sire can be sweltering. The rain can amount to several inches/centimeters. During this time, temperatures average in the high 80s F (low 30s C).

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security

    Given current world events, Thailand has travel concerns that you should consider before going. Click for more information.

  • Anti-theft backpack

    For a little peace of mind, an anti-theft backpack protects your stuff.

  • AirTag to track your luggage

    With airlines constantly losing luggage recently, an AirTag can find it anywhere on earth: AirTag for iPhones.

  • Voice and data SIM card

    A SIM card that works in Ko Sire. A good global SIM card works in most countries, but check the country list before buying. In some more rural areas you may need a satellite phone. We recommend this satellite phone.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

Comfort + Essentials

  • Power bank for devices

    A portable power bank, like this one

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Travel pillow

    A versatile choice is this one

  • Voltage adapter

    A plug adapter that supports outlet types A, B, C and O. Make sure to find the correct kind. A lot of adapters currently available are just plug changers and require your devices to change the voltage themselves. If yours can't do that they could get fried. This one should be appropriate for most countries.

  • Luggage scale to avoid fees

    Airlines charge large penalties for overweight luggage. Avoid surcharges with this

October

October in Ko Sire is extremely hot. The rain can amount to several inches/centimeters. During this time, temperatures average in the high 80s F (low 30s C).

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security

    Given current world events, Thailand has travel concerns that you should consider before going. Click for more information.

  • Anti-theft backpack

    For a bit of peace of mind, an anti-theft backpack protects your belongings.

  • Voice and data SIM card

    A SIM card that works in Ko Sire. A good global SIM card works in most countries, but check the country list before buying. In some more rural areas you may need a satellite phone. We recommend this satellite phone.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

  • AirTag to track your luggage

    With airlines frequently losing luggage nowadays, an AirTag can locate it anywhere anywhere: AirTag for iPhones.

Comfort + Essentials

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Travel voltage adapter

    A plug adapter that supports outlet types A, B, C and O. Ensure that you pick the necessary type. The majority of adapters on sale are simply plugs and require your electronics to convert the voltage themselves. If your electronics can't do that they could get fried. This one should be appropriate for most places.

  • Luggage scale to avoid fees

    Airlines charge excessive penalties for overweight luggage. Save money with this

  • Power bank for devices

    A portable power bank, like this one

  • Travel neck pillow

    What we like is this one

November

November is really hot. Temperatures average in the low 80s F (low 30s C) during the day. It rains about half of the time.

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security

    Given current world events, Thailand has travel concerns that you should consider before going. Click for more information.

  • AirTag to track your luggage

    With airlines frequently losing bags recently, an AirTag can help you locate it anywhere on earth: AirTag for iPhones.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

  • Voice and data SIM card

    A SIM card that works in Ko Sire. A good global SIM card works in most countries, but check the country list before buying. In some more rural areas you may need a satellite phone. We recommend this satellite phone.

  • Anti-theft backpack

    For a little protection, an anti-theft backpack protects your things.

Comfort + Essentials

  • Luggage scale to avoid fees

    Airlines charge excessive amounts for overweight luggage. Save money with this

  • Travel neck pillow

    A good option is this one

  • Plug adapter

    A plug adapter that supports outlet types A, B, C and O. Be sure to find the necessary kind. Many adapters available online are simply plug changers and expect your devices to adjust the voltage themselves. If yours can't do that they could burn up. This one works in most countries.

  • Power bank for devices

    A portable power bank, like this one

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

December

December for Ko Sire is consistently hot. Temperatures average in the low 80s F (low 30s C) during the day. It rains a bit less than half of the time.

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security

    Given current world events, Thailand has travel concerns that you should consider before going. Click for more information.

  • Anti-theft backpack

    For a bit of protection, an anti-theft backpack protects your stuff.

  • AirTag to track your luggage

    With airports constantly losing luggage these days, an AirTag can help you find it anywhere on earth: AirTag for iPhones.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

  • Voice and data SIM card

    A SIM card that works in Ko Sire. A good global SIM card works in most countries, but check the country list before buying. In some more rural areas you may need a satellite phone. We recommend this satellite phone.

Comfort + Essentials

  • Travel voltage adapter

    A plug adapter that supports outlet types A, B, C and O. Ensure that you pick the right type. A lot of adapters currently available are just plugs and expect your devices to change the voltage themselves. If yours can't do that they could get destroyed. This one works in most areas.

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Power bank for devices

    A portable power bank, like this one

  • Travel neck support pillow

    Our fave is this one

  • Luggage scale to avoid fees

    Airlines charge large amounts for overweight luggage. Avoid penalties with this

What to do in Ko Sire, Thailand

Ko Sire is a picturesque island located in Thailand's Southern Gulf Coast. The island is known for its beautiful beaches, crystal-clear waters, and vibrant marine life. Tourists come from all over the world to indulge in the many outdoor activities that the island has to offer. Here are some of the top tourist attractions in Ko Sire, Thailand:

1. Snorkeling and Diving

Ko Sire is famous for its beautiful coral reefs and diverse marine life. Visitors can explore the underwater world by snorkeling or scuba diving. Some of the most popular spots include Shark Island, Chumphon Pinnacle, and Southwest Pinnacle. Visitors can book snorkeling and diving tours with local operators for an unforgettable experience.

2. Beaches

Ko Sire has a range of stunning beaches, from quiet coves to lively stretches of sand. One of the most popular is Sai Nuan Beach, a secluded bay with crystal-clear waters and soft sand. Other favorites include Klong Prao Beach and Khlong Son Beach, both of which offer excellent swimming and sunbathing opportunities.

3. Waterfalls

The island features several lovely waterfalls, which are perfect for a refreshing dip in the natural pools. Klong Plu Waterfall is one of the most popular and is easily accessible by foot. Khiri Phet Waterfall is another favorite, located in a tranquil forest setting.

4. Kayaking

Kayaking is a great way to explore the mangrove forests of Ko Sire. Visitors can rent a kayak and paddle through the calm waters, taking in the stunning scenery and spotting wildlife such as monkeys and reptiles. Guided tours are also available for those who want to learn about the local flora and fauna.

5. Sunset Cruises

Ko Sire's beautiful sunsets are not to be missed. Visitors can book a sunset cruise to enjoy a romantic evening on the water, sipping cocktails and admiring the stunning colors of the sky. Many tours include a dinner or BBQ on board, making for a memorable evening.

In conclusion, Ko Sire is a must-visit destination for anyone looking for a beautiful tropical paradise with plenty of outdoor activities to enjoy. With its beaches, waterfalls, and marine life, the island has something for everyone. Whether it's snorkeling, kayaking, or just relaxing on the beach, Ko Sire is a true gem of Thailand's Gulf Coast.

About your travel guide

Hi! I'm Dev. I've traveled all over the world and in my travels, I have made many packing lists. In this series, my team and I have compiled the most useful information, as well as things we couldn't live without, to help you plan your trip.

Check out our guides for these other locations: Nijar, Spain, El Cuco, El Salvador, West Forks, Maine, United States of America, Nizhny Novgorod Oblast, Russia, Livingston, Montana, United States of America, Schreiber, Ontario, Canada, Izola, Slovenia, Mbeya, Tanzania, Beruwela, Sri Lanka, Sant'Angelo Dei Lombardi, Italy, and Espanola, Ecuador.